I have seen that on a 5kcstq. The plate can come loose from the axle. If the screws were to fall out, the motor would likely eat them while it was reving out of control. :-( Wolff Lino M. Valadas wrote: > > Check also the butterfly in the valve throttle body for smooth free > operation. > > Lino > 86 5ktqw > 83 Ur-Q